#harness-engineering

rpamis/comet

JavaScript

89

health

Comet: agent skill harness for turning ideas into evaluated workflows

truefoundry/trueforge

TypeScript

89

health

The open-source agent harness - the runtime layer that turns an LLM into a working agent.

HarnessRouter/harnessrouter

Python

89

health

HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.

cocofhu/grasp

Go

89

health

Grasp helps you manage multiple projects and parallel coding agents in one visual workflow, so humans can understand faster and ship more.

ModelEngine-Group/nexent

Python

88

health

Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.

pydantic/pydantic-ai

Python

88

health

How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end.